support: recommend for users run integration run_migrations if db-table not found

[AskAlexSharov]

example of current output:

~/build/v2.60.0# ./integration stage_log_index --reset --datadir=/root/.erigon --chain=amoy
INFO[05-17|05:12:46.069] logging to file system                   log dir=/root/.erigon/logs file prefix=integration log level=info json=false
INFO[05-17|05:12:46.070] [db] open                                label=chaindata sizeLimit=12TB pageSize=8192
panic: fail to open mdbx: create table: BorCheckpointEnds, mdbx_dbi_open: MDBX_NOTFOUND: No matching key/data pair found

goroutine 1 [running]:
github.com/ledgerwatch/erigon-lib/kv/mdbx.MdbxOpts.MustOpen({{0x1e54750, 0xc00080a5e0}, 0xc000c7ab90, 0x1c51de0, {0xc00015a600, 0x17}, 0x0, 0x20000000000, 0x80000000, 0xffffffffffffffff, ...})
    github.com/ledgerwatch/erigon-lib@v1.0.0/kv/mdbx/kv_mdbx.go:465 +0xc5
github.com/ledgerwatch/erigon/cmd/integration/commands.openDB({{0x1e54750, 0xc00080a5e0}, 0xc000c7ab90, 0x1c51de0, {0xc00015a600, 0x17}, 0x0, 0x20000000000, 0x80000000, 0xffffffffffffffff, ...}, ...)